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A human hair is about 80.0 µm thick. If one uses a concave mirror with a focal length of 2.50 centimeter and obtains an image of -59.0 centimeter, find how far has the hair been located from the mirror? Determine what is the magnification of the hair?
At what coordinate on the axis is the net electric field produced by particles equal to zero.
What is the frequency of a spring with spring constant 420 N/m that has attached a mass of 3.5 kg and initially displaced 0.25 meters. what is the maximum kinetic energy this mass obtains
a block of mass m=0.2kg , in simple harmonic motion, has an amplitude of 3.5cm and a maximum speed of 70 cm/s. What is the angular frequency for the oscillation in rad/s?
A solid cube of mass 40kg and edge length .30mrests on a horizontal floor. A person then pushes on the upper edgeof the cube with a horizontal force of magnitude F. At what valueof F will the cube start to tip? Assume the frictional force fromthe flo..
Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 134 km long, 39.4 km wide, and 187 m thick.
Two electrons are placed at two corners of an equilateraltriangle whose sides are 2.0 nm long. ( 1 nm =10-9m) Calculate the magnitude of the electric potential (referenced to V = 0 at infinity) present at the empty corner of the triangle due to the..
A train is travelling up a 4.40 incline at a speed of 3.30 when the last car breaks free and begins to coast without friction. How long does it take for the car to come to rest? How far does the car travel.
The atom in a regular crystal can act as slits for light of the appropriate wavelength, Find what wavelengths do you think would be appropriate
A 12.0 resistor, 10.0 mH inductor, and a 50.0 µF capacitor are connected in series to a 55.0 V (rms) source having variable frequency. Find out the energy delivered to the circuit during one period if the operating frequency is twice the resonance..
An ideal gas at 14.5 °C and a pressure of 1.10 x 105Pa occupies a volume of 4.17 m3. what will be the pressure of the gas
An astronomical telescope is designed with an overall magnification of 45x. The objective has a focal length of 84.0 cm. What should be the focal length of the eyepiece
Assuming a constant pressure gradient, if blood flow is reduced by 52%, by what factor is a blood vessel decreased in radius
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